1: (1 4 16)

(0 6 2)(1 10 4 20 18)(3 12 5)(7 11 9)(8 15 13)(14 19 17)(16)

2: (0 6 2)

(0)(1 10 4 20 18)(2)(3 12 5)(6)(7 11 9)(8 15 13)(14 19 17)(16)

3: (3 12 5)

(0)(1 10 4 20 18)(2)(3)(5)(6)(7 11 9)(8 15 13)(12)(14 19 17)(16)

4: (4 20 10)

(0)(1 10 18)(2)(3)(4)(5)(6)(7 11 9)(8 15 13)(12)(14 19 17)(16)(20)